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Search: Posts Made By: Jernej Pirnar
Forum: CFX May 3, 2012, 18:41
Replies: 21
Views: 10,799
Posted By Jernej Pirnar
Hi, In the static structural analysis the...

Hi,


In the static structural analysis the non-zero displacements at the tube ends are prescribed to stretch the originally cylindrical-shaped geometry. In the FSI analysis the displacements at...
Forum: CFX May 1, 2012, 20:46
Replies: 21
Views: 10,799
Posted By Jernej Pirnar
I think the stress field should be the same when...

I think the stress field should be the same when the structural side converges, even if this is not the case for the coupling.
If you want to save the stress state in a file (.txt), you could...
Forum: CFX April 30, 2012, 20:22
Replies: 21
Views: 10,799
Posted By Jernej Pirnar
Hi, I am glad it was helpful. I use the...

Hi,

I am glad it was helpful.
I use the steady-state solution in purpose to “initialise” the further transient analysis. I also use the results in order to check if the initial state data is...
Forum: CFX April 22, 2012, 14:23
Replies: 21
Views: 10,799
Posted By Jernej Pirnar
I gather from what you wrote that you are using...

I gather from what you wrote that you are using the WB Platform. Unfortunately I have no experience with it or with the FE Modeler.
As I said, at first the static structural analysis is made (I...
Forum: CFX April 20, 2012, 18:43
Replies: 21
Views: 10,799
Posted By Jernej Pirnar
I had also been struggling with the inistate...

I had also been struggling with the inistate commands until yesterday when I have finally broke through.

I start with the already deformed FE tube model. It is obtained in the static structural...
Forum: CFX April 11, 2012, 20:09
Replies: 21
Views: 10,799
Posted By Jernej Pirnar
Stumpy, thank you for your response. I really...

Stumpy, thank you for your response. I really appreciate it.
For now I will continue with the approach I have described. I have found out during some simple tests that the initial stress state...
Forum: CFX April 10, 2012, 19:32
Replies: 21
Views: 10,799
Posted By Jernej Pirnar
FSI: Establishment of the initial stress state

Hi all,

I am interested in Fluid Structure Interaction and I am trying to simulate dynamics of flexible tube in the case of the interior air flow. I use Ansys software package (CFX + Ansys...
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